Finding the Fourth Proportional to 3,135,135.84, 4,702,113.12 and 1,216,043.40
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Solution
The fourth proportional to 3,135,135.84, 4,702,113.12 and 1,216,043.40 is: 1,823,836.01
Step by Step Solution
- Step 1: Write the proportion equation
3,135,135.84 : 4,702,113.12 = 1,216,043.40 : x - Step 2: Convert to fraction form
3,135,135.84/4,702,113.12 = 1,216,043.40/x - Step 3: Cross multiply
3,135,135.84x = 4,702,113.12 × 1,216,043.40 - Step 4: Simplify right side
3,135,135.84x = 5,717,973,625,629.41 - Step 5: Solve for x
x = 5,717,973,625,629.41/3,135,135.84 - Step 6: Final answer
x = 1,823,836.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.